/*
 * Copyright (C) 1997-2001 Id Software, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * =======================================================================
 *
 * Common argument processing
 *
 * =======================================================================
 */   

#include "../header/common.h"

#define MAX_NUM_ARGVS	50

int		com_argc;
char	*com_argv[MAX_NUM_ARGVS+1];

/*
 * Returns the position (1 to argc-1) in the program's argument list
 * where the given parameter apears, or 0 if not present
 */
int COM_CheckParm (char *parm)
{
	int		i;

	for (i=1 ; i<com_argc ; i++)
	{
		if (!strcmp (parm,com_argv[i]))
			return i;
	}

	return 0;
}

int COM_Argc (void)
{
	return com_argc;
}

char *COM_Argv (int arg)
{
	if (arg < 0 || arg >= com_argc || !com_argv[arg])
		return "";

	return com_argv[arg];
}

void COM_ClearArgv (int arg)
{
	if (arg < 0 || arg >= com_argc || !com_argv[arg])
		return;

	com_argv[arg] = "";
}

void COM_InitArgv (int argc, char **argv)
{
	int		i;

	if (argc > MAX_NUM_ARGVS)
		Com_Error (ERR_FATAL, "argc > MAX_NUM_ARGVS");

	com_argc = argc;

	for (i=0 ; i<argc ; i++)
	{
		if (!argv[i] || strlen(argv[i]) >= MAX_TOKEN_CHARS )
			com_argv[i] = "";

		else
			com_argv[i] = argv[i];
	}
}

/*
 * Adds the given string at the end of the current argument list
 */
void COM_AddParm (char *parm)
{
	if (com_argc == MAX_NUM_ARGVS)
		Com_Error (ERR_FATAL, "COM_AddParm: MAX_NUM)ARGS");

	com_argv[com_argc++] = parm;
}

int	memsearch (byte *start, int count, int search)
{
	int		i;

	for (i=0 ; i<count ; i++)
		if (start[i] == search)
			return i;

	return -1;
}

char *CopyString (char *in)
{
	char	*out;

	out = Z_Malloc ((int)strlen(in)+1);
	strcpy (out, in);
	return out;
}

void Info_Print (char *s)
{
	char	key[512];
	char	value[512];
	char	*o;
	int		l;

	if (*s == '\\')
		s++;

	while (*s)
	{
		o = key;

		while (*s && *s != '\\')
			*o++ = *s++;

		l = o - key;

		if (l < 20)
		{
			memset (o, ' ', 20-l);
			key[20] = 0;
		}

		else
			*o = 0;

		Com_Printf ("%s", key);

		if (!*s)
		{
			Com_Printf ("MISSING VALUE\n");
			return;
		}

		o = value;
		s++;

		while (*s && *s != '\\')
			*o++ = *s++;

		*o = 0;

		if (*s)
			s++;

		Com_Printf ("%s\n", value);
	}
}

